[patch] IR: ir-raw-event: null pointer dereference

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



The original code dereferenced ir->raw after freeing it and setting it
to NULL.

Signed-off-by: Dan Carpenter <error27@xxxxxxxxx>

diff --git a/drivers/media/IR/ir-raw-event.c b/drivers/media/IR/ir-raw-event.c
index 43094e7..8e0e1b1 100644
--- a/drivers/media/IR/ir-raw-event.c
+++ b/drivers/media/IR/ir-raw-event.c
@@ -279,9 +279,11 @@ int ir_raw_event_register(struct input_dev *input_dev)
 			"rc%u",  (unsigned int)ir->devno);
 
 	if (IS_ERR(ir->raw->thread)) {
+		int ret = PTR_ERR(ir->raw->thread);
+
 		kfree(ir->raw);
 		ir->raw = NULL;
-		return PTR_ERR(ir->raw->thread);
+		return ret;
 	}
 
 	mutex_lock(&ir_raw_handler_lock);
--
To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Kernel Development]     [Kernel Announce]     [Kernel Newbies]     [Linux Networking Development]     [Share Photos]     [IDE]     [Security]     [Git]     [Netfilter]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Device Mapper]

  Powered by Linux